111611706007 has 4 divisors (see below), whose sum is σ = 118177100496. Its totient is φ = 105046311520.

The previous prime is 111611705983. The next prime is 111611706047. The reversal of 111611706007 is 700607116111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700607116111 = 7 ⋅100086730873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111611706007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111611706007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111611706047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282697219 + ... + 3282697252.

It is an arithmetic number, because the mean of its divisors is an integer number (29544275124).

Almost surely, 2^111611706007 is an apocalyptic number.

111611706007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111611706007 is a deficient number, since it is larger than the sum of its proper divisors (6565394489).

111611706007 is an equidigital number, since it uses as much as digits as its factorization.

111611706007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565394488.

The product of its (nonzero) digits is 1764, while the sum is 31.

The spelling of 111611706007 in words is "one hundred eleven billion, six hundred eleven million, seven hundred six thousand, seven".